Gitops

At gitops.page, our mission is to provide a comprehensive resource for all things related to git operations, deployment, and management. We believe that git is the central hub for modern software development, and we aim to help developers and teams leverage its power to streamline their workflows and improve their productivity. Our site is dedicated to providing high-quality content, tutorials, and tools that empower users to master git and take their development processes to the next level.

Introduction

GitOps is a methodology that uses Git as a single source of truth for infrastructure and application deployment. It is a way of managing infrastructure and applications that emphasizes the use of Git for version control, collaboration, and automation. This cheat sheet provides an overview of the concepts, topics, and categories related to GitOps and is intended to help beginners get started with GitOps.

GitOps Concepts

GitOps Workflow

The GitOps workflow is a process that uses Git as a single source of truth for infrastructure and application deployment. It involves the following steps:

Developers make changes to the code and push it to Git.
A GitOps tool detects the changes and deploys them to the target environment.
The tool verifies that the deployment was successful and updates the Git repository with the deployment status.

Infrastructure as Code (IaC)

Infrastructure as Code (IaC) is a practice of managing infrastructure using code. It involves writing code to define the infrastructure and using tools to automate the deployment and management of the infrastructure. IaC allows for version control, collaboration, and automation of infrastructure management.

Continuous Integration and Continuous Deployment (CI/CD)

Continuous Integration and Continuous Deployment (CI/CD) is a practice of automating the software delivery process. It involves building, testing, and deploying software changes automatically. CI/CD allows for faster and more reliable software delivery.

Kubernetes

Kubernetes is an open-source container orchestration platform. It is used for automating the deployment, scaling, and management of containerized applications. Kubernetes provides a platform for running and managing containerized applications at scale.

GitOps Topics

GitOps Tools

There are several GitOps tools available that can be used for managing infrastructure and application deployment. Some popular GitOps tools include:

Flux: Flux is a GitOps tool that automates the deployment and management of Kubernetes applications.
Argo CD: Argo CD is a GitOps tool that provides automated deployment and management of applications on Kubernetes.
Jenkins X: Jenkins X is a GitOps tool that provides automated CI/CD for Kubernetes applications.

GitOps Best Practices

There are several best practices that should be followed when implementing GitOps. Some of these best practices include:

Use Git as a single source of truth for infrastructure and application deployment.
Use version control for all infrastructure and application changes.
Automate the deployment and management of infrastructure and applications.
Use IaC to manage infrastructure.
Use CI/CD to automate the software delivery process.

GitOps Workflows

There are several GitOps workflows that can be used for managing infrastructure and application deployment. Some of these workflows include:

Push-based workflow: In this workflow, developers push changes to Git, and the GitOps tool detects the changes and deploys them to the target environment.
Pull-based workflow: In this workflow, the GitOps tool pulls changes from Git and deploys them to the target environment.

GitOps Architecture

GitOps architecture involves the following components:

Git repository: The Git repository is used as a single source of truth for infrastructure and application deployment.
GitOps tool: The GitOps tool is used to detect changes in the Git repository and deploy them to the target environment.
Target environment: The target environment is where the infrastructure and applications are deployed.

GitOps Categories

GitOps for Kubernetes

GitOps for Kubernetes involves using Git as a single source of truth for managing Kubernetes infrastructure and applications. It involves using GitOps tools like Flux, Argo CD, and Jenkins X to automate the deployment and management of Kubernetes applications.

GitOps for Cloud Infrastructure

GitOps for cloud infrastructure involves using Git as a single source of truth for managing cloud infrastructure. It involves using IaC tools like Terraform and CloudFormation to manage cloud infrastructure and GitOps tools like Flux and Argo CD to automate the deployment and management of cloud infrastructure.

GitOps for Multi-Cloud

GitOps for multi-cloud involves using Git as a single source of truth for managing infrastructure and applications across multiple cloud providers. It involves using GitOps tools like Flux and Argo CD to automate the deployment and management of infrastructure and applications across multiple cloud providers.

GitOps for DevOps

GitOps for DevOps involves using Git as a single source of truth for managing the entire software delivery process. It involves using GitOps tools like Flux, Argo CD, and Jenkins X to automate the deployment and management of infrastructure and applications, as well as the software delivery process.

Conclusion

GitOps is a powerful methodology for managing infrastructure and application deployment. It provides a way to use Git as a single source of truth for managing infrastructure and applications, and it emphasizes the use of automation and collaboration to improve the software delivery process. This cheat sheet provides an overview of the concepts, topics, and categories related to GitOps and is intended to help beginners get started with GitOps.

Common Terms, Definitions and Jargon

1. Git: A version control system that tracks changes in files and directories.
2. Repository: A storage location where Git stores all the files and directories of a project.
3. Branch: A separate line of development in Git that allows multiple developers to work on the same codebase simultaneously.
4. Merge: The process of combining changes from one branch to another.
5. Pull Request: A request to merge changes from one branch to another.
6. Commit: A snapshot of changes made to a file or directory in Git.
7. Push: The process of uploading changes to a remote repository.
8. Clone: The process of creating a local copy of a remote repository.
9. Fork: A copy of a repository that allows for independent development.
10. Remote: A repository hosted on a server that is accessible to multiple users.
11. Origin: The default remote repository in Git.
12. Master: The default branch in Git.
13. HEAD: A reference to the current branch or commit in Git.
14. Tag: A label assigned to a specific commit in Git.
15. Submodule: A separate Git repository that is included as a subdirectory in another repository.
16. Stash: A temporary storage area for changes that are not yet ready to be committed.
17. Rebase: The process of moving a branch to a new base commit.
18. Cherry-pick: The process of selecting and applying a specific commit to a branch.
19. Squash: The process of combining multiple commits into a single commit.
20. Conflict: A situation where Git is unable to automatically merge changes from two branches.

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